Who is Hansjorg Wyss
Hansjorg Wyss, 86, is a Swiss billionaire who founded Synthes USA - a medical device manufacturer - in 1977.
Synthes USA is the world's largest maker of implants to mend bone fractures.
Wyss sold the company to Johnson & Johnson in 2012 in a deal worth $20.2bn (£15.2bn). Synthes is now part of their DePuy division.
In 2017, DePuy Synthes launched its Titanium 3-D Printed Implants for use in facial reconstruction.
According to Forbes, Wyss has a net worth of $5.8bn (£4.3bn) as of 2021. He now holds stakes in biotech firms NovoCure and Molecular Partners.
Wyss has donated hundreds of millions of dollars to environmental charities and has more recently pledged money to politically progressive causes.
Forbes says that Wyss is 'among the most philanthropic people in the world'.
In 2013, he signed The Giving Pledge, thereby agreeing to give away the majority of his fortune. Other pledgers include Elon Musk, Mark Zuckerberg and Warren Buffett.
The 86-year-old has no record of owning a football club or investing in sport.